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Vulnerability · Published Mar 1, 2022 · Assigned by mitre

CVE-2021-41282

High 8.8

In plain English

A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 87.1% (higher than 99.8% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, Nuclei.

Severity (CVSS NVD)8.8High
Exploit odds (30 days)87.1%top 0.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling2Metasploit, Nuclei

Official description

diag_routes.php in pfSense 2.5.2 allows sed data injection. Authenticated users are intended to be able to view data about the routes set in the firewall. The data is retrieved by executing the netstat utility, and then its output is parsed via the sed utility. Although the common protection mechanisms against command injection (i.e., the usage of the escapeshellarg function for the arguments) are used, it is still possible to inject sed-specific code and write an arbitrary file in an arbitrary location.

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References